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C Language > Learn C Language > What is the actual size of INT in the C language, 2...
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What is the actual size of INT in the C language, 2 or 4 bytes?

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The actual size to int is determined by the compiler as the program runs. But theoretically the size is 2 bytes. You can increase the size by adding keyword long infront of it to make the size 4 bytes. Eg int a; // 2 bytes Long int b; // 4 bytes
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Its depends upon the complier but generally int size is 2 bytes. We can use modifier also for enhancing the size of int as given below: There are two modifier for INT date type 1. unsigned (2 bytes) 2. long (4 bytes) unsigned int x; unsigned x; (These...
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Its depends upon the complier but generally int size is 2 bytes.

We can use modifier also for enhancing the size of int as given below:

There are two modifier for INT date type

1. unsigned                      (2 bytes)

2. long                             (4 bytes)

unsigned int x;   unsigned x;   (These both statements are same in C language and size is 2 bytes)

Becasue INT is by default data type in C language.

long int x;      long x;              (These both statements are same in C language and size is 4 bytes)

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2 bytes
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Type Storage size Value range int 2 or 4 bytes -32,768 to 32,767 or -2,147,483,648 to 2,147,483,647
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2 byte
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Size of int or any data type depends on compiler. You can use sizeof() operator to determine the size of data type. Better to use sizeof() operator to dynamically calculate size of data type. For example while allocating memory for a integer array. int* ptrArray = (int*)malloc(10 * sizeof(int));
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Size of int or any data type depends on compiler. You can use sizeof() operator to determine the size of data type.  Better to use sizeof() operator to dynamically calculate size of data type. For example while allocating memory for a integer array.

int* ptrArray = (int*)malloc(10 * sizeof(int));

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The size of an 'int' is really compiler dependent.
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its depend upon the processor.
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I Can teach Programming Languages also

The compiler determines the actual size of int. But theoretically, the size is 2 bytes in 8 - bit machine.The actual answer is the size of any data types will vary on the compiler.
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int 2 bytes double 4 byte actual size
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